This creation is a kind of related telescopic stair chair lift of what,Its stretching structure is constituted by fixing board and extending board,The bottom end system of the fixation board is equipped with several straight fixinig plates and horizontal fixinig plate staggeredly,It is to be provided with fixation hole on the straight fixinig plate of what of position,And adjustment tank is then equipped on horizontal fixinig plate,And the extension board system can cover the fixed board of merging,And the adjustment tank that the set Extendible flake in board bottom end passes through horizontal fixinig plate will be extended,Enable extension board by that will be slid in Extendible flake what adjustment tank to adjust bearing space,And keep the adjusting hole opened on Extendible flake corresponding with fixation hole,Bolt locking is recycled,So that the chair lift is adjusted bearing space on demand and can carrying wheelchair or cargo,And when being without the use of,System can by the handle of the chair lift,Seat and the inside folding of stretching structure,And the occupancy in space can be effectively reduced.本創作係有關於一種伸縮式樓梯升降椅，其伸縮結構係由固定承板及延伸承板所構成，該固定承板之底端係設有數支交錯之直固定片及橫固定片，位於直固定片上係開有固定孔，而橫固定片上則設有調整槽，而該延伸承板係能套置入固定承板，並將延伸承板底端所設之延伸片穿過橫固定片之調整槽，使延伸承板能藉由將延伸片於調整槽內滑移以調整承載空間，並使延伸片上所開之調整孔與固定孔相對應，再利用螺栓鎖固，使該升降椅能依需求調整承載空間而能載運輪椅或貨物，且不需使用時，係能將該升降椅之把手、座椅及伸縮結構向內收折，而能有效減少空間之佔用。
